Tdk Corporation · TSE:6762

Tdk — Technical Presentation (August 2019)

10 slides from Tdk's technical presentation, August 2019

1. Slide 1: CeraCharge: World's first rechargeable solid-state SMD battery

   CeraCharge™ World’s first rechargeable solid-state SMD battery August 2019

2. Slide 2: Demand for a new battery technology

   Demand for a new battery technology Billions of devices Sensors everywhere INTERNET OF EVERYTHING Smart home Healthcare Energy harvesting Wearables New application fields drive the demand for compact, safe, rechargeable energy sources © TDK Electronics AG 2019 CeraCharge™  World’s first rechargeabl

3. Slide 3: Comparison of energy storage devices

   Comparison of energy storage devices 106 104 102 Battery Non SMD Capacity [mAh] 100 CeraCharge EDLC 10-2 SMD 10-4 MLCCs 10-6 (100 mF ≈ 100 μAh) 10-1 100 101 102 103 104 105 106 Volume [mm3] © TDK Electronics AG 2019 CeraCharge™  World’s first rechargeable solid-state SMD battery PPD ML  08/19  3

4. Slide 4: Comparison of solid-state battery technologies

   Comparison of solid-state battery technologies Thin-film Bulk (pouch cell) Ceramic multilayer Structure Thickness 0.2 mm to ~1 mm >1 mm 0.2 mm to ~5 mm Smallest footprint 4 mm2 >100 mm2 0.5 mm2 Process cost High Medium Low Transport restrictions Must be waterproofed Limitations None for Li metal (fl

5. Slide 5: Introducing CeraCharge: the world's first solid-state, SMT-compatible Li-ion battery

   Introducing CeraCharge™ – the world’s first solid-state, SMT-compatible Li-ion battery Li-ion battery CeraCharge All solid state All-ceramic multilayer battery Gas relief valve Electrode terminal • High safety High-energy Li-ion • SMT-compatible battery technology • Suitable for reflow soldering Neg

6. Slide 6: Unique features of CeraCharge

   Unique features of CeraCharge All- ceramic structure • Cannot leak • Cannot burn • Cannot explode  World’s smallest SMT-  Easy to assemble Robust compatible  Rechargeable design • Reflow solderable  Safe • Embeddable • Wide temperature range • No need to change battery • Suitable for vacuum appl

7. Slide 7: CeraCharge – World's first rechargeable solid-state SMD battery

   CeraCharge – World’s first rechargeable solid-state SMD battery CeraCharge 1812 Nominal voltage [V] 1.5 Operating voltage [Vop] 0 to 1.6 Nominal capacity [µAh] 100 Nominal discharge current [µA] 20 Operating temperature [°C] -20 to +80 Case size [EIA] 1812 Dimensions [mm] 4.4 x 3.0 x 1.1 CeraCharge

8. Slide 8: CeraCharge features fast and pulsed discharging

   CeraCharge features fast and pulsed discharging Typical discharge curves Typical pulse power Nominal capacity 7.0 1.8 Pulse power [mW] 6.0 (when U ≥1.2 V) Nominal 1.4 voltage 5.0 Voltage [V] 4.0 1.0 0.2 C 3.0 1C 0.6 2.0 2C 1.0 5C 0.2 1 0C 0 Pulse length [s] 8x10-4 1 60 >2400 10 40 90 140 Discharge c

9. Slide 9: Main applications for CeraCharge

   Main applications for CeraCharge Real-time clock Internet of Things: Beacon Backup battery Energy storage (battery) CHARGE Application MCU PMIC BLE BACK-UP (CV output) module MCU LCD RTC Solar cell Sensor CeraCharge CeraCharge™ Energy harvesting Wearables Energy storage Sub-battery for voltage and c

10. Slide 10: www.tdk-electronics.tdk.com

    www.tdk-electronics.tdk.com

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